Topspin Tennis & Fitness is an independently owned tennis and pickleball shop at 218 Jericho Turnpike in Syosset, on Long Island. The store carries racquets and paddles, shoes, apparel, strings and grips, and accessories, and backs the inventory with services like stringing, customization, and demos. Its own site notes recognition as a USTA Long Island Retailer of the Year. Customers rate the shop 4.7 stars across 27 Google reviews. Hours run 9:30 AM to 6 PM on weekdays, 9:30 AM to 5 PM on Saturday, and 10:30 AM to 4 PM on Sunday, so there’s time to stop in and get fitted seven days a week.